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ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 1
R Oct 01/14
INTRODUCTION
1. General Policy
A. GeneralThis manual is in conformity with the Air Transport Association Specificationnumber 2200 (ATA iSpec 2200). It provides descriptive information, instructionsand specific data relative to the repair of the ATR structure.It contains damage acceptability criteria, the identification of structurematerials and repair data applicable to the structural elements that are themost exposed to damage. It gives information on the standard repair procedures.All the data contained in this manual are approved by the authorities.The Structural Repair Manual is completed by the Illustrated Parts Catalog(IPC) which gives the list of replaceable structural elements.The Structural Repair Manual is laid out as follows:
Chapter 51 : Aeronautical standards, standard practices, materials andgeneral information on repairs
Chapters 52 through 57 : Specific structural chapters
The chapter numbers indicate an entire zone of the aircraft (for example :fuselage, wing, etc...), the section numbers indicate a sub-division of thiszone (for example : fuselage nose section, wing center box), and the subjectnumbers indicate a component of this zone (for example : FWD pressure bulkhead,front spar, etc...) (See para. 4.A.).To obtain a separation of the topics, the following block pages are used :
Description
Identification Figure
Allowable Damages
Repair
The Documentary Units (DU) are independently numbered and all the DU begin ona recto page. One page "PAGE LEFT BLANK INTENTIONALLY" is inserted if the DUfinishes on a recto page.The LEP records all the DU and their interval of pages.After a revision, if a DU has an added or deleted pages, all the pages of theDU are numbered.
B. List of Effective PagesAs noticed here-above the LEP records all the DUs and their interval of pages.It gives an overview of the parts revised.N, R or D indicates parts which are New, Revised or Deleted respectively.
C. Manual ValidityManual designated as ATR42-400/500 series SRM (this manual) covers theATR42-400/500 A/C -400, -500 series. This manual also covers ATR42-600designation.
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D. Data effectivityData that has no effectivity designation shall be applicable to all theaircraft series covered by this manual. Effectivity designations are used todefine the variants between the aircraft.Effectivity is expressed by MODIFICATION NUMBERS indicated :
In the block effectivity at the top of the variant Figures.
In the Identification Tables, in the - OBSERVATION MOD/SB REPAIR column, infront of each item variant.Example:Be. 3667T3724 ; Solution Before Modification 3667T3724Af. 3667T3724 ; Solution After Modification 3667T3724
In the Table of Contents, if a Configuration is created ('EFFEC' column)in front of each configuration ("a" or b on the AMTOSS code, see para.6.A.).Example :The required configuration is specified at the bottom of the pages. Themodifications concerned are given in the Table of Contents at the beginningof each ATA chapter.
The absence of modification number indicates commonality between all aircraft.The pages called "MODIFICATIONS/SERVICE BULLETINS LIST", placed - at thebeginning of the chapter, give the effectivity of each Modification Numberexpressed in Standard Version (ST) and by Manufacturer Serial Number (MSN).
NOTE : Before all investigation on structure Items make sure that the validityis correct (before or after Modification, Service Bulletin retrofitted,etc...).
E. Revision of the manualThe revision service is periodically provided. The revision is materialized bya "R" in the footer of the page. The latest revision date of the DU is shown inthe footer.The revised text is shown by a bar located in the left hand margin of thepages.The HIGHLIGHTS section (in the begin of the manual) records the revised DU andtheir reasons of revision.
F. Abbreviations used in the SRMThe abbreviations used in the SRM are recorded in the "LIST OF ABBREVIATIONS".
G. Symbols used in the repair drawingsIn order to simplify and clarify illustration of repair drawings, fastenersymbols are as follows :
SYMBOL TYPE
Existing fastener not affected by the repair
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SYMBOL TYPE
Existing fastener affected by the repair
Rivet
Blind fastener
Bolt
Countersunk fasteners (superimposed on other symbols)
Different diameters shall be represented by different symbols, as shown below:
TYPE SYMBOL
Rivet
Blind fastener
Bolt
2. General technical principles
A. DescriptionThis section is a brief description of the chapter concerned.
B. Identification FigureChapters 52 through 57 include the identification of the materials used inthe manufacture of the airplane. They indicate structural differences betweenairplanes of the same type which have been incorporated in production orretroactively, thus enabling the operator to identify the material of anysignificant component on any specific airplane in his fleet.Illustrations and text concerning the aircraft structure give description,material, and significant drawing numbers including appropriate assemblydrawing numbers. Where applicable, material information define the finishedheat treatment condition.
C. Allowable damageAllowable damage is damage that allows an operator to continue operatingan aircraft without any repairs other than local rework, and surface finishrestoration.
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NOTE : In the case of damage occurred on primary structure including PSE thatgo beyond SRM allowable limit, contact the manufacturer.
Wear Limits:Wear Limits on structural assemblies permit the assessment of in-service wearon single bolt and bolt-like parts, and also on attaching parts such as bearingand bushes. The limits are presented in tabular form in the Allowable Damagetopic of the appropriate manual section and indicate when rectification isrequired so that the assembly can continue satisfactorily in service.
D. Repair
(1) Definition of repairRepair instructions are intended to enable the operator to repair damageexceeding allowable damage limits.Several types of damage have been taken into account:
Metallic materials:Corrosion; cracks; scratches; dents; scores; gouges: nicks; abrasion;etc.
Non-metallic materials:Flaking; perforation; delamination; scratches; score; separation;denting; etc.
The repair approach shown in the flowchart (Refer to Description510001-03-001-A01) has to be followed
NOTE : In case of damage occurred in the areas where the structure is notregular, or joined with other components, and if any proximitycriteria is defined in the concerned repair procedure, contact themanufacturer.There is not limit to the number of applications of a repairprinciple unless otherwise specified in the instructions, andprovided that the geometry of the structure so permits. If damageoccurred is closed to an existing repair, contact the manufacturer.
(2) Recommendations of repair
WARNING : IF THE REPAIR IS NOT LIMITED BY MAX. DIMENSION, THE SIZE ISDEFINED BY THE NUMBER OF FASTENERS SHOWN ON REPAIR SCHEME(SKETCH). PITCH AND EDGE MARGINS DEPEND ON FASTENER DIAMETERSWHEN THEY ARE NOT IMPOSED BY EXISTING STRUCTURE (REFER TO SRM51-25-02 (FIT CONDITIONS OF BOLTS (TORQUE))).IN SUCH A CASE, IT COULD BE NECESSARY TO REMOVE PART OF THECOMPONENT THAT IS GREATER THAN THE OCCURRED DAMAGED AREA ORMAKE A DISPLACED SPLICE IN ORDER TO APPLY THE PRINCIPLE OFREPAIR AS DEFINED.
1. REPAIR PROXIMITYIN CASE OF MULTIPLE SIMULTANEOUS OR SUCCESSIVE DAMAGES,APPLICATION OF REPAIR PRINCIPLES CAN BE PERFORMED IF DAMAGE
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PROXIMITY CRITERIA AND GEOMETRY REQUESTED BY LEVEL OFREPAIRS IN THE CONCERNED REPAIR ARE MET.IN THE ABSENCE OF SPECIFIC CRITERIA, CONTACT THEMANUFACTURER.
2. REPAIR SHOWN IN THIS MANUAL ARE NOT APPLICABLE ON REPAIRSALREADY PERFORMED.
The repair application area is defined by precise structural references(frames, stringers, ribs, stiffeners, etc...).Repair schemes can be adapted to similar zones if:
Note is absent
Damage is similar.
Before all repairs, an inspection must be performed in order to accuratelydetermine extent of damage (Refer to SRM 51-00-01 (DEFECT/DAMAGEREPORTING)).Two kinds of repairs are defined:
Standard repairs and processes valid for all structure defined inchapter 51.
Specific repairs relevant to an element (or an area) and described inthe corresponding chapter or section.
Certain repairs are defined by means of graphs taking the following intoaccount:
type of damage
damage dimensions
damage area.
NOTE : When repair instructions are not available, this does not mean thatthe concerned structure is not repairable. Sometimes it is notpossible to give a standard repair, because the experience of in-service aircraft has not yet shown the necessity of such a repair.In certain cases an adapted repair design shall require anevaluation made by the aircraft manufacturer.As in-service experience shows the necessity, this manual shallbe procedures updated for repetitive and typical issue so as toinclude new repairs.In the possible case of serious damage the information of thismanual shall be completed by a direct link with a representative ofthe aircraft manufacturer support.
Temporary repairs, enabling limited service life are also defined incertain cases, and can be reported by a "TEMPORARY" in the title.When fatigue life of the repair is not stated in the repair principle,fatigue life has to be considered to be equal to the design life goal ofthe ATR which is 70000 cycles.Several solutions may be proposed for repairing given damage.In the case of cumulative damage, the repair must cover each type ofdamage.
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In the case where damage covers two areas, the repair retained will be theone corresponding to area comprising a flush criteria.
3. Repair Components Kit.For the components given in the REPAIR MATERIAL tables of repair schemes, referto "Index of Repair Drawing" or at the beginning of concerned chapter to check thedrawing number, its description, location and figure number to be able to order themanufactured parts.
4. How to use the manual
A. SRM Manual Breakdown Arrangement (Ref. Fig. 1)
B. Identification Figure
IDENTIFICATION FIGURE (Ref. Fig. 2)
COLUMNS DESCRIPTION
1 ITEM: Structural part itemAll required items, shown on the appropriate illustration, are listedin this column, in sequential order, beginning with Item Number 1 andcontinuing in steps of 5 (5, 10, 15, etc.).Structural components fitted in the same portion with differenteffectivities will be identified with an item number followed by asuffix letter A, B, C, etc.
2 DESCRIPTION: Structural part descriptionThis column contains the exact description of structural componentshown in the appropriate illustrations.
3 PART NUMBERStructural components will be given a manufacturer part numberconsisting of twelve characters. In general, the "as drawn" partsare LH. Where necessary, three additional characters are given forsymmetrical item (RH item). If available, the appropriate standard(production methods) will be given here (Ref. Fig. 5 Sheet 1).
4 MAT SPEC TREATMENT: Material and treatment of structure partsMaterial specification for metallic and/or non metallic components(Refer to SRM 51-30-00 (MATERIALS, ALTERNATIVES AND EQUIVALENTS -GENERAL)) are listed in this column. Complicated composite componentsare identified in detail by number of plies, material thickness and plydirection given in an appropriate table in the figure.
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IDENTIFICATION FIGURE (Ref. Fig. 2)
COLUMNS DESCRIPTION
5 INTERCHANGEABILITY "IC"In the column is shown the interchangeability condition of a component(P/N).The interchangeability condition of concerned component is defined withone of following code numbers:
01: One way InterchangeabilityStates that the post MOD item can be used to replace a pre MOD itemwithout special action being required (not vice versa).
02: Two way InterchangeabilityEither the post MOD or pre MOD items can be used.
03: No InterchangeabilityThe basic item and post MOD item are not interchangeable.
6 THK mm (in): Thickness of structural componentWhere necessary, information concerning the thickness of sheet metalcomponent will be given in this column. The US/Imperial conversion(based on 1 in. = 25.4 mm) will be given in brackets. For machinedmetallic parts with variable thickness and composite materials,thicknesses are given by appropriate tables.
7 OBSERVATIONS MOD/SB/REPAIRInformation regarding the status "Before Modification" or "AfterModification" or "Before or After Service Bulletin" shall appear inthis column.A prefix letter shall be applied for Before/After/Mod/SB statement asfollows:
Be. = Before SB/Mod.
Af. = After SB/Mod.
In this column, the reference to a repair is given. The followingindications may be used:
For repair, see Pages REPAIR or
For repair, see XX-XX-XX Pages REPAIR
following the cases (XX-XX-XX for existing specific or general repairsChapter/Section/Subject Number is inserted).Where no repair exists, the space is left blank. Should a repair berequired and no information is given, a request must be sent to:ATR Structure Department1, Alle Pierre Nadot31712 BLAGNAC CedexFRANCEFax: + 33(0)562216290E-mail: [email protected]
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IDENTIFICATION FIGURE (Ref. Fig. 2)
COLUMNS DESCRIPTION
8 ASSY DWGDrawings used for store issue of structural component.
C. Allowable Damage (Ref. Fig. 3)The allowable damage procedure gives the related data applicable to theconcerned area.
D. RepairThe repair procedure includes two parts:
1. the "JOB SET-UP INFORMATION" topic that gives all the information necessaryto do the repair.This topic has the tables that follows:
NOTE : Only the tables applicable to the Repair are in the repair
TABLE DESCRIPTION
REPAIR MATERIAL LIST This table records the repair material used to do theprocedure.The materials are associated with a reference to therelevant chapter 51 for the standard procedure
MATERIALS/CONSUMABLELIST
This table records the consumable used to do theprocedure.The consumable are associated with a reference to therelevant chapter 51 for the standard procedure
TOOLS LIST This table records the specific tool used to do theprocedure.
REFERENCED INFORMATION This table records the referenced information used todo the procedure.
2. The "PROCEDURE" topic that gives all the instructions to do the repair.The PROCEDURE topic is structured in subtask.
E. AMTOSS NumberingThe AMTOSS part numbers has a standard structure (Ref. Fig. 4)
5. Part Number Specification
A. Structure of A/C Manufacturer Part Number(Ref. Fig. 5)Suffix added to comply with manufacturing or spares requirements with thepurpose of a more detailed definition not specified in the Drawing.The allocation of suffixes between Product Support and engineering/Manufacturing is as follows:
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B. FOR CHAPTERS 52, 53 AND 55
SUFFIXES DEFINITION REMARKS
00 Part to drawing 00 = Part produced according to drawing
01 to 055051
Production Part notto drawing
01 = Part with pilot hole 2.5 mm dia. (3/32 in.)as specified on drawing02 = Undrilled part03 = Increased perimeter and finished holes04 = Increased perimeter and pilot holes05 = Increased perimeter and not drilled06 = Assy similar to drawing, but with differentcomposition
50 = Identical to drawing
51 = Special specification
60 to 89 Spare Part not todrawing and notstockable
99 Spare Part to drawingand not stockable
Numbering required for Product Support Breakout,but not applicable to production.
NOTE : Several suffixes are used by Spare Department to manufacture special P/N. and not as partially manufactured to allow the installation in theconstruction process. referring some diversion from the manufactured one.
NOTE : Means that for production needs the assy has to be manufacturedwith less or more components installed. The components not installedmay be furnished to the customer separately.
C. FOR CHAPTERS 54 AND 57
NOTE : For ATA Chapters 54 and 57, the delivery status of spare parts, notto drawing, is not univocally identified by suffix. In this case thedesired delivery condition must be clearly mentioned on the part order(e.g. "UNDRILLED", "WITH PILOT HOLES", etc.).
6. ATA iSpec 2200 Changes and CrossReferences Table Between Before and AfterConversion
ATR Structural Repair Manual Conversion has been provided in order to switch fromthe old ATA100 specification to the new iSpec 2200 specification.
ATR SRM Conversion is effective starting from June 2013 revision.
A. The Main Changement are:
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1. Old task numbers (example: chapter 530000 Figure 437) are not usedanymore. AMTOSS Code are the unique references which have to be used(example: 530000300837A01).
2. Allowable damages are numbered 200 in the AMTOSS Code (and not either 300 asbefore).
3. Repairs are numbered 300 in the AMTOSS Code (and not either 400 as before).
B. CrossReferences Table Between Before and After Conversion
In order to facilitate the research of a task with different reference beforeand after the Conversion, a cross-reference table is provided. The tablesincludes the allowable damages and the repair procedures introduced in themanual until February 2013 revision.
CHAPTER 52
Table 6: ALLOWABLE DAMAGEBefore
ConversionAfter Conversion Title After Conversion
(Refer to Damages521100-200-801-A01)
AFT PASSENGER/CREW DOOR
(Refer to Damages521100-200-804-A01)
AFT PASSENGER/CREW DOOR ALLOWABLESCRATCHES, SCORES AND ABRASIONS
(Refer to Damages521100-200-805-A01)
AFT PASSENGER/CREW DOORALLOWABLE SCRATCHES IN
MACHINED AND EXTRUDED PARTS
521100Fig 301
(Refer to Damages521100-200-806-A01)
AFT PASSENGER/CREW DOOR ALLOWABLEDENTS IN SKIN PANELS (DE)
521100Fig 302
(Refer to Damages521100-200-802-A01)
AFT PASSENGER/CREW DOOR SHOOT BOLT
521100Fig 303
(Refer to Damages521100-200-803-A01)
AFT PASSENGER/CREW DOORCOUNTERBALANCE SPRINGS
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BeforeConversion
After Conversion Title After Conversion
(Refer to Damages522100-200-801-A01)
PASSENGER COMPARTMENTEMERGENCY EXIT
(Refer to Damages522100-200-802-A01)
PASSENGER COMPARTMENTEMERGENCY EXIT ALLOWABLE
SCRATCHES, SCORES AND ABRASIONS
(Refer to Damages522100-200-803-A01)
PASSENGER COMPARTMENT EMERGENCYEXIT ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS
522100Fig 301
(Refer to Damages522100-200-804-A01)
PASSENGER COMPARTMENTEMERGENCY EXIT ALLOWABLEDENTS IN SKIN PANELS (DE)
(Refer to Damages522200-200-801-A01)
FLIGHT COMPARTMENT OVERHEAD HATCH
(Refer to Damages522200-200-802-A01)
FLIGHT COMPARTMENT OVERHEADHATCH ALLOWABLE SCRATCHES,
SCORES AND ABRASIONS
(Refer to Damages522200-200-803-A01)
FLIGHT COMPARTMENT OVERHEADHATCH ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS
522200Fig 301
(Refer to Damages522200-200-804-A01)
FLIGHT COMPARTMENT OVERHEADHATCH ALLOWABLE DENTSIN SKIN PANELS (DE)
(Refer to Damages523100-200-801-A01)
CARGO COMPARTMENT DOOR
(Refer to Damages523100-200-803-A01)
CARGO COMPARTMENT DOOR ALLOWABLESCRATCHES, SCORES AND ABRASIONS
(Refer to Damages523100-200-804-A01)
CARGO COMPARTMENT DOORALLOWABLE SCRATCHES IN
MACHINED AND EXTRUDED PARTS
523100Fig 301
(Refer to Damages523100-200-805-A01)
CARGO COMPARTMENT DOOR ALLOWABLEDENTS IN SKIN PANELS (DE)
523100Fig 302
(Refer to Damages523100-200-802-A01)
CARGO DOOR HINGES(FUSELAGE AND DOOR SIDE)
(Refer to Damages524200-200-801-A01)
SERVICE DOOR
(Refer to Damages524200-200-803-A01)
SERVICE DOOR ALLOWABLESCRATCHES, SCORES AND ABRASIONS
(Refer to Damages524200-200-804-A01)
SERVICE DOOR ALLOWABLE SCRATCHESIN MACHINED AND EXTRUDED PARTS
524200Fig 301
(Refer to Damages524200-200-805-A01)
SERVICE DOOR ALLOWABLEDENTS IN SKIN PANELS (DE)
524200Fig 302
(Refer to Damages524200-200-802-A01)
SERVICE DOOR SHOOT BOLT
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BeforeConversion
After Conversion Title After Conversion
528200Fig 301
(Refer to Damages528200-200-801-A01)
NLG AFT DOORS
Table 7: REPAIRBefore
ConversionAfter Conversion Title After Conversion
520000Fig 401
(Refer to Repair520000-300-801-A01)
REPAIR SCHEME FOR HOLE FILLINGBY FASTENER ON THE DOORS SKIN
521100Fig 401
(Refer to Repair521100-300-801-A01)
AFT PASSENGER/CREW DOOR SHOOT BOLT SURFACE REPAIR
521100Fig 402
(Refer to Repair521100-300-802-A01)
AFT PASSENGER/CREW DOOR FWD BTM INTERNAL REPAIR
521100Fig 403
(Refer to Repair521100-300-803-A01)
AFT PASSENGER/CREW DOOR AFT BTM INTERNAL REPAIR
521100Fig 404
(Refer to Repair521100-300-804-A01)
AFT PASSENGER/CREW DOOR BOTTOM INTERNAL REPAIR
521100Fig 405
(Refer to Repair521100-300-805-A01)
AFT PASSENGER/CREW DOOR REPAIRSCHEME FOR INNER SKIN TOP AFT
521100Fig 406
(Refer to Repair521100-300-806-A01)
AFT PASSENGER/CREW DOOR REPAIR SCHEME FOR INNERSKIN FWD UPPER SIDE
521100Fig 407
(Refer to Repair521100-300-807-A01)
AFT PASSENGER/CREW DOOR REPAIR SCHEME FOR INNERSKIN FWD UPPER SIDE
521100Fig 408
(Refer to Repair521100-300-808-A01)
AFT PASSENGER/CREW DOOR CRACK REPAIR LAST STEP FWDSEMI AUTOMATIC HANDRAIL
521100Fig 409
(Refer to Repair521100-300-809-A01)
AFT PASSENGER CREW DOOR- INTERMEDIATE STEPS FWDAND AFT - CRACK REPAIR
522100Fig 401
(Refer to Repair522100-300-801-A01)
PASSENGER COMPARTMENT EMERGENCYEXIT LOCALIZED DENT - SKINREPAIR BY EXTERNAL PATCH
523100Fig 401
(Refer to Repair523100-300-801-A01)
CARGO COMPARTMENTDOOR PAN REPAIR
523100Fig 402
(Refer to Repair523100-300-802-A01)
CARGO COMPARTMENT DOOR FITTINGFOR LOWERING ARTICULATION POINT
523100Fig 403
(Refer to Repair523100-300-803-A01)
REPAIR SCHEME FORINTERCOSTAL REPAIR-CARGODOOR STA6250, STA6174
523100Fig 404
(Refer to Repair523100-300-804-A01)
REPAIR SCHEME FORINTERCOSTAL REPAIR-CARGO DOOR
523100Fig 405
(Refer to Repair523100-300-805-A01)
REPAIR SCHEME FOR CARGO DOOR PANREPAIR AT STRUT FITTING LOCATION
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BeforeConversion
After Conversion Title After Conversion
523100Fig 406
(Refer to Repair523100-300-806-A01)
REPAIR SCHEME FOR CARGO DOOR PANREPAIR AT STRUT FITTING LOCATION
523100Fig 407
(Refer to Repair523100-300-807-A01)
REPAIR SCHEME FORINTERCOSTAL REPAIR-CARGO DOOR
523100Fig 408
(Refer to Repair523100-300-808-A01)
CARGO COMPARTMENT DOORREPAIR SCHEME FOR INTERCOSTAL
REPAIR STA6174, STA6250
523100Fig 409
(Refer to Repair523100-300-809-A01)
CARGO COMPARTMENT DOORREPAIR SCHEME FOR INTERCOSTALREPAIR STA6434.75, STA6619.5,STA6695.5, STA7065, STA7141
523100Fig 410
(Refer to Repair523100-300-810-A01)
CARGO COMPARTMENT DOOR - PANREPAIR - ACTUATOR FITTING AREA
524100Fig 401
(Refer to Repair524100-300-801-A01)
REPAIR SCHEME FOR AFTACCESS DOOR SKIN AT FRAME 45
524200Fig 401
(Refer to Repair524200-300-801-A01)
SERVICE DOOR SHOOT BOLTSURFACE REPAIR (STEP BY STEP)
524200Fig 402
(Refer to Repair524200-300-802-A01)
SERVICE DOOR PANREPAIR ON FWD BTM SIDE
524200Fig 403
(Refer to Repair524200-300-803-A01)
SERVICE DOOR PANREPAIR ON AFT BOTTOM SIDE
524200Fig 404
(Refer to Repair524200-300-804-A01)
SERVICE DOOR PANREPAIR ON AFT BOTTOM SIDE
524200Fig 405
(Refer to Repair524200-300-805-A01)
SERVICE DOOR - REPAIRSCHEME FOR SERVICE DOOR
LOWER FRONT AND REAR CORNER
524200Fig 406
(Refer to Repair524200-300-806-A01)
SERVICE DOOR REPAIR SCHEME FORDAMAGED SKIN AT DOOR HINGE AREA
528100Fig 401
(Refer to Repair528100-300-801-A01)
MLG DOORS METALLICSANDWICH PANELS REPAIR
528100Fig 402
(Refer to Repair528100-300-802-A01)
MLG DOOR REPAIRSCHEME FOR DAMAGE DOORREAR EDGE (OBSOLETE)
528100Fig 403
(Refer to Repair528100-300-803-A01)
MLG DOOR REPAIR SCHEME FORDEBONDING ON FOLDING DOOR EDGE
528100Fig 404
(Refer to Repair528100-300-804-A01)
MLG DOOR REPAIR SCHEMEEDGE SKIN DEBONDING
528100Fig 405
(Refer to Repair528100-300-805-A01)
MLG DOOR OUTER SKINREPAIR (LH/RH SIDE)
528100Fig 406
(Refer to Repair528100-300-806-A01)
MLG CORROSION REPAIR UNDERSEAL RETAINER (LH/RH)
528200Fig 401
(Refer to Repair528200-300-801-A01)
NLG DOORS REPAIR ANDREINFORCEMENT OF THE
ANGLES OF AFT NLG DOORS
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BeforeConversion
After Conversion Title After Conversion
528200Fig 402
(Refer to Repair528200-300-802-A01)
NLG DOORS REPAIR SCHEMEFOR AFT DOOR CORE SKIN DEBOND
528200Fig 403
(Refer to Repair528200-300-803-A01)
NLG DOORS REPAIR SCHEMEFOR DAMAGED AFT DOOR
528200Fig 404
(Refer to Repair528200-300-804-A01)
REPAIR SCHEME TO REPLACETHE BUSHING OF AFT NLG
DOOR HINGE FITTING (LH/RH)
CHAPTER 53
Table 8: ALLOWABLE DAMAGEBefore
ConversionAfter Conversion Title After Conversion
530000Fig 301
(Refer to Damages530000-200-801-A01)
CARGO AREA FLOOR PANEL
530000Fig 302
(Refer to Damages530000-200-802-A01)
AISLE, ENTRY DOOR ANDTOILET AREA FLOOR PANEL
530000Fig 303
(Refer to Damages530000-200-803-A01)
UNDER SEAT AREA FLOOR PANEL
530000Fig 304
(Refer to Damages530000-200-804-A01)
FUSELAGE STRUCTURE SEAT TRACK
530000Fig 305
(Refer to Damages530000-200-805-A01)
FUSELAGE STRUCTURE FLOOR BEAM
530000Fig 306
(Refer to Damages530000-200-806-A01)
FUSELAGE FLOOR PANELS ATTACHMENTWITH SEAT TRACKS AND FLOORBEAMS (FROM FRAME 13 TO 39)- ALLOWABLE MISSING FASTENERS
(Refer to Damages531100-200-801-A01)
FUSELAGE NOSE SECTION STRUCTURE
(Refer to Damages531100-200-803-A01)
FUSELAGE NOSE SECTIONSTRUCTURE ALLOWABLE
SCRATCHES, SCORES AND ABRASIONS
(Refer to Damages531100-200-804-A01)
FUSELAGE NOSE SECTION STRUCTURE ALLOWABLE SCRATCHES,SCORES AND ABRASIONS INPRESSURIZED BULKHEADS
(Refer to Damages531100-200-805-A01)
FUSELAGE NOSE SECTION STRUCTURE ALLOWABLE SCRATCHES IN
MACHINED AND EXTRUDED PARTS
531100Fig 301
(Refer to Damages531100-200-806-A01)
FUSELAGE NOSE SECTION STRUCTURE ALLOWABLE DENTS IN SKINPANELS (VALID FOR DE)
531100Fig 302
(Refer to Damages531100-200-802-A01)
FUSELAGE NOSE SECTION STRUCTURE STATIC AREA (LH AND RH)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 15
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
(Refer to Damages533100-200-801-A01)
FUSELAGE FWD SECTION STRUCTURE
(Refer to Damages533100-200-802-A01)
FUSELAGE FWD SECTION STRUCTURE ALLOWABLE SCRATCHES,SCORES AND ABRASIONS
(Refer to Damages533100-200-803-A01)
FUSELAGE FWD SECTION STRUCTURE ALLOWABLE SCRATCHES IN
MACHINED AND EXTRUDED PARTS
(Refer to Damages533100-200-804-A01)
FUSELAGE FWD SECTION STRUCTURE ALLOWABLE DENTS IN SKINPANELS (VALID FOR DE)
(Refer to Damages533100-200-805-A01)
FUSELAGE FWD SECTION STRUCTURE WINDOW FRAME ALLOWABLE DAMAGES
533100Fig 301
(Refer to Damages533100-200-806-A01)
FUSELAGE FWD SECTIONSTRUCTURE SEAT TRACK ANDFLOOR BEAM ALLOWABLE
DAMAGES REFERENCE CHAPTERS
533181Fig 301
(Refer to Damages533181-200-801-A01)
ICE SHIELD LH/RH
(Refer to Damages535100-200-801-A01)
FUSELAGE CENTER SECTION STRUCTURE
(Refer to Damages535100-200-802-A01)
FUSELAGE CENTER SECTIONSTRUCTURE ALLOWABLE
SCRATCHES, SCORES AND ABRASIONS
(Refer to Damages535100-200-803-A01)
FUSELAGE CENTER SECTION STRUCTURE ALLOWABLE SCRATCHES, SCORES ANDABRASIONS IN PRESSURIZED BULKHEAD
(Refer to Damages535100-200-804-A01)
FUSELAGE CENTER SECTION STRUCTURE ALLOWABLE SCRATCHES IN
MACHINED AND EXTRUDED PARTS
(Refer to Damages535100-200-805-A01)
FUSELAGE CENTER SECTIONSTRUCTURE ALLOWABLE
DENTS IN SKIN PANELS (DE)
(Refer to Damages535100-200-806-A01)
FUSELAGE CENTER SECTION STRUCTURE WINDOW FRAME ALLOWABLE DAMAGES
535100Fig 301
(Refer to Damages535100-200-807-A01)
FUSELAGE CENTER SECTIONSTRUCTURE SEAT TRACK ANDFLOOR BEAM ALLOWABLE
DAMAGES REFERENCE CHAPTERS
535730Fig 301
(Refer to Damages535730-200-801-A01)
MLG ATTACH FITTINGS - LH/RH
536100Fig 301
(Refer to Damages536100-200-801-A01)
FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE DAMAGES
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 16
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
(Refer to Damages536100-200-802-A01)
FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE
SCRATCHES, SCORES AND ABRASIONS
(Refer to Damages536100-200-803-A01)
FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE SCRATCHES,
SCORES AND ABRASIONS INTOILET AND SERVICE POINT AREAS
(Refer to Damages536100-200-804-A01)
FUSELAGE REAR CENTER SECTIONSTRUCTURE ALLOWABLE SCRATCHESIN MACHINED AND EXTRUDED PARTS
(Refer to Damages536100-200-805-A01)
FUSELAGE REAR SECTIONSTRUCTURE ALLOWABLE
DENTS IN SKIN PANELS (DE)
(Refer to Damages536100-200-806-A01)
FUSELAGE REAR SECTION STRUCTURE WINDOW FRAMES ALLOWABLE DAMAGES
(Refer to Damages536100-200-807-A01)
FUSELAGE REAR SECTIONSTRUCTURE ALLOWABLE
DAMAGES REFERENCE CHAPTERS
(Refer to Damages538100-200-801-A01)
FUSELAGE TAIL SECTION STRUCTURE
(Refer to Damages538100-200-802-A01)
FUSELAGE TAIL SECTIONSTRUCTURE ALLOWABLE
SCRATCHES, SCORES AND ABRASIONS
(Refer to Damages538100-200-803-A01)
FUSELAGE TAIL SECTION STRUCTURE ALLOWABLE SCRATCHES, SCORES ANDABRASIONS IN PRESSURIZED BULKHEAD
(Refer to Damages538100-200-804-A01)
FUSELAGE TAIL SECTION STRUCTURE ALLOWABLE SCRATCHES IN
MACHINED AND EXTRUDED PARTS
538100Fig 301
(Refer to Damages538100-200-805-A01)
FUSELAGE TAIL SECTIONSTRUCTURE ALLOWABLE
DENTS IN SKIN PANELS (DE)
539100Fig 301
(Refer to Damages539100-200-801-A01)
RADOME, MLG FAIRINGAND TAIL CONE AREAS
539120Fig 301
(Refer to Damages539120-200-801-A01)
LANDING LIGHT TRANSPARENT COVER
539122Fig 301
(Refer to Damages539122-200-801-A01)
FAIRING SKIN PANELS
539124Fig 301
(Refer to Damages539124-200-801-A01)
STROBO LIGHT TRANSPARENT COVER
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 17
R Oct 01/14
Table 9: REPAIRBefore
ConversionAfter Conversion Title After Conversion
530000Fig 401
(Refer to Repair530000-300-801-A01)
FUSELAGE SKIN - REPAIRSCHEME FOR ELONGATED
HOLES BY SHOULDER BUSHING
530000Fig 402
(Refer to Repair530000-300-802-A01)
FUSELAGE SKIN - SMALLDAMAGE/EXTERNAL REPAIR
530000Fig 403
(Refer to Repair530000-300-803-A01)
FUSELAGE SKIN - SMALLDAMAGE/FLUSH REPAIR
530000Fig 404
(Refer to Repair530000-300-804-A01)
FUSELAGE SKIN - BETWEENSTRINGERS/EXTERNAL REPAIR
530000Fig 405
(Refer to Repair530000-300-805-A01)
FUSELAGE SKIN - BETWEENSTRINGERS/FLUSH REPAIR
530000Fig 406
(Refer to Repair530000-300-806-A01)
FUSELAGE SKIN - ATSTRINGER/EXTERNAL REPAIR
530000Fig 407
(Refer to Repair530000-300-807-A01)
FUSELAGE SKIN - ATSTRINGER/FLUSH REPAIR
530000Fig 408
(Refer to Repair530000-300-808-A01)
FUSELAGE SKIN - AT FRAME (WITHSKIN PAD)/EXTERNAL REPAIR
530000Fig 409
(Refer to Repair530000-300-809-A01)
FUSELAGE SKIN - AT FRAME (WITHOUTSKIN PAD)/EXTERNAL REPAIR
530000Fig 410
(Refer to Repair530000-300-810-A01)
FUSELAGE SKIN - AT FRAME(WITHOUT SKIN PAD)/FLUSH REPAIR
530000Fig 411X
(Refer to Repair530000-300-811-A01)
FUSELAGE SKIN - ATSTRINGER/TEMPORARY REPAIR
530000Fig 412
(Refer to Repair530000-300-812-A01)
FUSELAGE SKIN - AT STRINGERLOCATION/EXTERNAL REPAIR(TEMPORARY TO PERMANENT)
530000Fig 413
(Refer to Repair530000-300-813-A01)
FUSELAGE SKIN - AT STRINGERLOCATION/FLUSH REPAIR
(TEMPORARY TO PERMANENT)
530000Fig 414
(Refer to Repair530000-300-814-A01)
FUSELAGE FRAME -INNER FLANGE REPAIR
530000Fig 415
(Refer to Repair530000-300-815-A01)
FUSELAGE FRAME -OUTER FLANGE REPAIR
530000Fig 416
(Refer to Repair530000-300-816-A01)
FUSELAGE FRAME - HEAVYDAMAGE FLANGE REPAIR
530000Fig 417
(Refer to Repair530000-300-817-A01)
FUSELAGE FRAME - FAILSAFE ANGLE REPAIR
530000Fig 418
(Refer to Repair530000-300-818-A01)
FUSELAGE SEAT TRACK -REPAIR (UPPER HORIZONTAL
FLANGE REPLACEMENT)
530000Fig 419
(Refer to Repair530000-300-819-A01)
FUSELAGE SEAT TRACK -REPAIR (UPPER HORIZONTALFLANGE + WEB REPLACEMENT)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 18
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
530000Fig 420
(Refer to Repair530000-300-820-A01)
FUSELAGE SKIN - LONGITUDINALLAP JOINT BETWEEN FRAMES
(BOTH SKINS ENDSDAMAGED)/EXTERNAL REPAIR
530000Fig 421
(Refer to Repair530000-300-821-A01)
FUSELAGE SKIN - LONGITUDINAL LAPJOINT BETWEEN FRAMES/FLUSH REPAIR
530000Fig 422
(Refer to Repair530000-300-822-A01)
FUSELAGE SKIN - AT FRAME(WITH SKIN PAD)/FLUSH REPAIR
530000Fig 423
(Refer to Repair530000-300-823-A01)
FUSELAGE SKIN - REPAIR SCHEMEFOR UPPER AND LOWER SKINSAT LONGITUDINAL LAP JOINTAND FRAMES/EXTERNAL REPAIR
530000Fig 424
(Refer to Repair530000-300-824-A01)
FUSELAGE SKIN - REPAIRSCHEME FOR UPPER SKIN ATLONGITUDINAL LAP JOINT
BETWEEN FRAMES/EXTERNAL REPAIR
530000Fig 425
(Refer to Repair530000-300-825-A01)
FUSELAGE STRINGER -FORMED STRINGER REPAIR
530000Fig 426
(Refer to Repair530000-300-826-A01)
FUSELAGE STRINGER - EXTRUSIONSTRINGER OUTSIDE SPECIALSTGR4 AND STGR5 REPAIR
530000Fig 427
(Refer to Repair530000-300-827-A01)
FUSELAGE STRINGER - TYPICALEXTRUDED STRINGER REPAIR
530000Fig 428
(Refer to Repair530000-300-828-A01)
FUSELAGE FLOOR BEAM -FLOOR CROSS BEAM REPAIR
530000Fig 429
(Refer to Repair530000-300-829-A01)
FUSELAGE CREASEBEAM - REPAIR SCHEME
530000Fig 430
(Refer to Repair530000-300-830-A01)
FUSELAGE SKIN - REPAIRSCHEME SKIN FOR HOLEWITH EXTERNAL DOUBLER
530000Fig 431
(Refer to Repair530000-300-831-A01)
FUSELAGE SKIN - REPAIR SCHEME FORSKIN HOLE WITH INTERNAL DOUBLER
530000Fig 432
(Refer to Repair530000-300-832-A01)
FUSELAGE SEAT TRACK -REPAIR SCHEME FOR SPLICING
530000Fig 433
(Refer to Repair530000-300-833-A01)
FUSELAGE FRAME - REPAIRSCHEME FOR LOWER FR13 TOFR34 BETWEEN STGR17 LH/RH
530000Fig 434
(Refer to Repair530000-300-834-A01)
FUSELAGE FRAME - REPAIRSCHEME FOR CORROSION ON
FRAMES BETWEEN STGR17 LH/RH
530000Fig 435
(Refer to Repair530000-300-835-A01)
FUSELAGE SKIN - REPAIR SCHEMEFOR HOLE FILLING BY FASTENER
530000Fig 436
(Refer to Repair530000-300-836-A01)
FUSELAGE FLOOR BEAM -FRAMES/REPAIR SCHEMEFOR FLOOR BEAM SPLICE
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 19
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
(Refer to Repair530000-300-860-A01)
Replaced by DWG S530R0022 issue B
FUSELAGE FLOOR BEAM - FRAMES/REPAIR SCHEME FOR FLOOR BEAM
SPLICE AT SEAT TRACK - (OBSOLETE)530000Fig 437
(Refer to Repair530000-300-837-A01)
FUSELAGE FLOOR BEAM - SPLICINGPRINCIPLE AT SEAT TRACK (RH SIDE)
(Refer to Repair530000-300-838-A01)
FUSELAGE COMPOSITE -BONDED STRUCTURE FIBRELAMSANDWICH PANEL REPAIR530000
Fig 438(Refer to Repair
530000-300-839-A01)FUSELAGE COMPOSITE -
SUPERFICIAL DAMAGE REPAIR
530000Fig 439
(Refer to Repair530000-300-840-A01)
FUSELAGE COMPOSITE -IDENTATION CAUSING DAMAGETO BOTH SKIN AND CORE
530000Fig 440
(Refer to Repair530000-300-841-A01)
FUSELAGE COMPOSITE -DELAMINATION REPAIR
530000Fig 441
(Refer to Repair530000-300-854-A01)
FUSELAGE COMPOSITE - FIBRELAMSANDWICH PANEL INSERT REMOVAL
530000Fig 442
(Refer to Repair530000-300-842-A01)
FUSELAGE FLOOR BEAM -REPAIR SCHEME - FOR SPLICE
AT SEAT TRACK RUN-OUT
530000Fig 443
(Refer to Repair530000-300-843-A01)
FUSELAGE SEAT TRACK -REPAIR SCHEME FOR SEAT
TRACK TO FLOOR BEAM JOINT
530000Fig 444
(Refer to Repair530000-300-844-A01)
FUSELAGE FRAME - REPAIR SCHEMEFOR FRAME FAIL SAFE ANGLESPLICE (PRINCIPLE BETWEENTWO ADJACENT STRINGERS)
530000Fig 445
(Refer to Repair530000-300-845-A01)
FUSELAGE FRAME - LWR FRAMEINNER FLANGE SPLICING (FOR
PARTIAL REPLACEMENT OF FRAME)AT STRINGER LEVEL - (OBSOLETE)
530000Fig 446
(Refer to Repair530000-300-846-A01)
FUSELAGE COMPOSITE - REPAIRSCHEME TO INSTALL INSERT NTA12151OR NTA12150 ON THE FLOOR PANELWITH MISALIGNED/ELONGATED HOLE
530000Fig 447
(Refer to Repair530000-300-847-A01)
FUSELAGE STRINGER -BONDED STRINGER/REPAIRBY STRINGER SPLICE
530000Fig 448
(Refer to Repair530000-300-848-A01)
FUSELAGE STRINGER - BONDEDSTRINGER/DE-BONDED REPAIR
530000Fig 449
(Refer to Repair530000-300-849-A01)
FUSELAGE FLOOR BEAM - REPAIRSCHEME FOR UPPER AND LOWERFLANGE (APPLICABLE TO FLOORBEAM MADE FROM NTA44770)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 20
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
530000Fig 450
(Refer to Repair530000-300-850-A01)
FUSELAGE COLD WORKED HOLE -REPAIR SCHEME FOR FILLING BYFASTENER ON FUSELAGE FORMED
FRAMES, STRINGERS, SEAT, TRACKS,FLOOR BEAMS AND STIFFENERS
(Refer to Repair530000-300-851-A01)
FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORD AT FR19
(Refer to Repair530000-300-855-A01)
FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORD AT FR20
(Refer to Repair530000-300-856-A01)
FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORD AT FR21
530000Fig 451
(Refer to Repair530000-300-857-A01)
FUSELAGE CREASE BEAM - SPLICINGPRINCIPLE OF INNER CHORDAT FR31 OR FR32 OR FR33
530000Fig 452
(Refer to Repair530000-300-852-A01)
FUSELAGE FLOOR BEAM -SPLICING PRINCIPLE AT STATION
STA6427.3, STA6887.7,STA7348, STA10076 AND STA15959
530000Fig 453
(Refer to Repair530000-300-853-A01)
FUSELAGE SEAT TRACK -REPAIR SCHEME FOR SEAT TRACK
SPLICING AT FLOOR BEAM
530000Fig 454
(Refer to Repair530000-300-858-A01)
FUSELAGE FLOOR BEAM - SPLICINGPRINCIPLE AT FR36 NEAR BL0
530000Fig 455
(Refer to Repair530000-300-859-A01)
FUSELAGE FLOOR BEAM -SPLICING PRINCIPLE AT FR36
531100Fig 401
(Refer to Repair531100-300-801-A01)
REPAIR SCHEME FORFUSELAGE SKIN/OIL CANNING
531110Fig 401
(Refer to Repair531110-300-801-A01)
REPAIR SCHEME FOR DAMAGEDWEB CHORD AND SPLICE PLATE
531110Fig 402
(Refer to Repair531110-300-802-A01)
REPAIR SCHEME FOR DAMAGEDBULKHEAD CHORD BETWEEN
BL0 AND BL475 - LH/RH SIDE
531110Fig 403
(Refer to Repair531110-300-803-A01)
REPAIR SCHEME FOR BURN FR1 WEB
531110Fig 404
(Refer to Repair531110-300-804-A01)
REPAIR SCHEME FOR DAMAGEDFR1 WEB AT STA2962
531110Fig 405
(Refer to Repair531110-300-805-A01)
REPAIR BULKHEADSTIFFENERS CORROSION
531110Fig 406
(Refer to Repair531110-300-806-A01)
LOWER WEB FRAME 1CORROSION REPAIR (LH/RH)BETWEEN BL187.5 AND BL350
531124Fig 401
(Refer to Repair531124-300-801-A01)
REPAIR SCHEME FOR DAMAGEDSKIN BETWEEN FR5 AND FR6 ANDFROM WL2327.5 TO WL2640.4
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 21
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
531128Fig 401
(Refer to Repair531128-300-801-A01)
REPAIR SCHEME FOR LOWERPANEL AT FR9 AND BETWEEN
STGR11 AND STGR12A
531128Fig 402
(Refer to Repair531128-300-802-A01)
REPAIR SCHEME FOR SKIN CORROSIONAT DME 2 ANTENNA LOCATION
531128Fig 403
(Refer to Repair531128-300-802-B01)
REPAIR SCHEME FOR SKIN CORROSIONAT DME 2 ANTENNA LOCATION
531128Fig 405
(Refer to Repair531128-300-805-A01)
RH LOWER AFT PANEL -REPAIR GROUND POWER BOX
531128Fig 406
(Refer to Repair531128-300-806-A01)
RH LOWER AFT PANEL -DOUBLER FOR EXTERNAL DCPOWER RECEPTACLE REPAIR
531128Fig 407
(Refer to Repair531128-300-807-A01)
RH LOWER AFT PANEL -POWER BOX CRACK REPAIR
531128Fig 408
(Refer to Repair531128-300-808-A01)
RH LOWER AFT SKIN PANEL REPAIRBETWEEN FR7 AND FR8 AT BL800
531131Fig 401
(Refer to Repair531131-300-801-A01)
REPAIR SCHEME FOR CRACK OFLOWER SILL BETWEEN NODES 6/7
531140Fig 401
(Refer to Repair531140-300-801-A01)
REPAIR SCHEME FOR DAMAGED TEEFLOOR BEAM SPLICE AT STA4426/FR7
531140Fig 402X
(Refer to Repair531140-300-802-A01)
TEMPORARY REPAIR SCHEME FOR CRACKON LH/RH FRAME 5 AT STA3982.5
531140Fig 403
(Refer to Repair531140-300-803-A01)
PERMANENT REPAIR SCHEME FORFUSELAGE FRAME 5 BETWEENSTGR11 AND NODE 6 (LH/RH)
533121Fig 401
(Refer to Repair533121-300-801-A01)
CROWN PANEL - REPAIR SCHEMEFOR SKIN CORROSION AT ADF1 ANDADF2 ANTENNA LOCATION (COLLINS)
533126Fig 401
(Refer to Repair533126-300-801-A01)
REPAIR SCHEME FOR FUSELAGE LOWERSKIN CORROSION BETWEEN FR19 ANDFR20 AT BL0 UNDER TCAS ANTENNA
533126Fig 402
New Repair moved from531128 Fig.404 to533126 Fig.402(Refer to Repair
533126-300-802-A01)
REPAIR SCHEME FOR SKIN CORROSIONAT DME1 ANTENNA LOCATION
533150Fig 401
(Refer to Repair533150-300-801-A01)
CHORD CREASE BEAM REPAIR
533181Fig 401
(Refer to Repair533181-300-801-A01)
REPAIRS FOR METALLIC ICE SHIELD
533300Fig 401
(Refer to Repair533300-300-801-A01)
REPAIR SCHEME FORSEAT TRACK SPLICING
535140Fig 401
(Refer to Repair535140-300-801-A01)
REPAIR SCHEME FOR CRACK ON FR26/STGR13 (LH/RH) - (OBSOLETE)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 22
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
535300Fig 401
(Refer to Repair535300-300-801-A01)
SEAT TRACKS - REPAIR SCHEMEFOR SEAT TRACK SPLICING
535730Fig 401
(Refer to Repair535730-300-801-A01)
REPAIR SCHEME FOR CORROSIONBLEND OUT ALLOWABLE DAMAGE ONTRUSS SHEAR MEMBER LUGS, F/S AND R/S MLG FITTINGS LUGSAND F/S AND R/S STRUTS LUGS
(Refer to Repair535770-300-801-A01)
KEEL BEAM PLATE REPAIR LH/RH SIDE BETWEEN FRAME 25 AND
FRAME 27 AT STRINGER 21 (4 CASES)535770Fig 401
(Refer to Repair535770-300-802-A01)
MLG BULKHEADS - KEEL BEAM PLATEREPAIR LH/RH BETWEEN FRAME 25 ANDFRAME 27 AT STRINGER 21 (4 CASES)
536125Fig 401
(Refer to Repair536125-300-801-A01)
LH LATERAL LOWER PANEL - REPAIRSCHEME FOR PAX DOOR SURROUND SKINAT SHOOT BOLT LOCATION LH/RH SIDE
536140Fig 401
(Refer to Repair536140-300-801-A01)
REPAIR SCHEME FOR FRAMES 30,31, 33 AND 34 SPLICING LH ANDRH BETWEEN STRINGERS 10 AND 11
536140Fig 402
(Refer to Repair536140-300-802-A01)
REPAIR SCHEME FOR FLOOR BEAMREPLACEMENT BY SPLICE AT FRAME41 (STA19149) LH AND RH SIDE
536140Fig 403
(Refer to Repair536140-300-803-A01)
REPAIR SCHEME FOR FRAME 36SPLICING LH AND RH AT STRINGER 18
536140Fig 404
(Refer to Repair536140-300-804-A01)
REPAIR SCHEME FOR FRAME 38SPLICING LH AND RH AT STRINGER 18
536140Fig 405
(Refer to Repair536140-300-805-A01)
REPAIR SCHEME FOR FRAME 39SPLICING LH AND RH AT STRINGER 18
536140Fig 406
(Refer to Repair536140-300-806-A01)
FRAMES - STA17319/FR36 -REPAIR SCHEME FOR LOCAL
REINFORCEMENT BETWEEN STGR14AND STGR15 (RH/LH SIDE)
536140Fig 407
(Refer to Repair536140-300-807-A01)
REPAIR SCHEME FOR LOWERFRAME 40 SPLICING BETWEENSTGR19 LH AND STGR19 RH
536140Fig 408
(Refer to Repair536140-300-808-A01)
FLOOR BEAM CORROSION REPAIRAT STA19149/FR41 RH SIDE
536300Fig 401
(Refer to Repair536300-300-801-A01)
SEAT TRACKS - REPAIR SCHEMEFOR SEAT TRACK SPLICING
536770Fig 401
(Refer to Repair536770-300-801-A01)
FRAMES - STA17459/FR37 -REPAIR SCHEME FOR LOCALREINFORCEMENT BETWEEN
STGR14 AND STGR15 (RH SIDE)
538140Fig 401
(Refer to Repair538140-300-801-A01)
FRAME - REPAIR SCHEME FOR A LIGHTCORROSION ON FRAME 44 (STA 20425)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 23
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
538140Fig 402
(Refer to Repair538140-300-802-A01)
FRAME - REPAIR SCHEME FOR A HEAVYCORROSION ON FRAME 44 (STA 20425)
538300Fig 401
(Refer to Repair538300-300-801-A01)
SEAT TRACKS - REPAIR SCHEMEFOR SEAT TRACK SPLICING
539121Fig 401
(Refer to Repair539121-300-801-A01)
RADOME REPAIR
539121Fig 402
(Refer to Repair539121-300-802-A01)
RADOME PAINTING
(Refer to Repair539121-300-803-A01)
RADIO ELECTRIC INSPECTION539121Fig 403 (Refer to Repair
539121-300-804-A01)INSTALLATION OF LIGHTNINGPROTECTION AND INSPECTION
539122Fig 401
(Refer to Repair539122-300-801-A01)
WING TO FUSELAGE FAIRINGSKIN PANELS - REPAIR
539142Fig 401
(Refer to Repair539142-300-801-A01)
REPAIR SCHEME FOR FLANGERIB 29 LH AND RH SIDE
539143Fig 401
(Refer to Repair539143-300-801-A01)
REPAIR SCHEME FOR MLG FAIRINGFRAME 27A (LH/RH) SMALLER DAMAGE
539143Fig 402
(Refer to Repair539143-300-802-A01)
REPAIR SCHEME FOR MLGFAIRING FRAME 27A (LHAND RH) BIGGER DAMAGE
539180Fig 401
(Refer to Repair539180-300-801-A01)
MISCELLANEOUS - MLGFAIRING RIB REPAIR
CHAPTER 54
Table 10: ALLOWABLE DAMAGEBefore
ConversionAfter Conversion Title After Conversion
541161Fig 301Config 1
(Refer to Damages541161-200-801-A01)
TUBULAR MOUNT
541161Fig 301Config 2
(Refer to Damages541161-200-801-B01)
TUBULAR MOUNT
542161Fig 301Config 1
(Refer to Damages542161-200-801-A01)
TUBULAR MOUNT
542161Fig 301Config 2
(Refer to Damages542161-200-801-B01)
TUBULAR MOUNT
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 24
R Oct 01/14
Table 11: REPAIRBefore
ConversionAfter Conversion Title After Conversion
541161Fig 401Config 1
(Refer to Repair541161-300-801-A01)
REPAIR SCHEME FOR ASUPERFICIAL SMOOTHING
ON FORWARD TUBULAR MOUNT
541161Fig 401Config 2
(Refer to Repair541161-300-801-B01)
REPAIR SCHEME FOR ASUPERFICIAL SMOOTHING
ON FORWARD TUBULAR MOUNT
541161Fig 402Config 1
(Refer to Repair541161-300-802-A01)
REPAIR SCHEME FOR ACALIBRATED SMOOTHING ONFORWARD TUBULAR MOUNT
541161Fig 402Config 2
(Refer to Repair541161-300-802-B01)
REPAIR SCHEME FOR ACALIBRATED SMOOTHING ONFORWARD TUBULAR MOUNT
541162Fig 401Config 1
(Refer to Repair541162-300-801-A01)
ATTACH FITTINGS REPAIR SCHEMEFOR FWD BEAM ATTACHMENT JUNCTION
SHACKLE (ELONGATED HOLES)
541162Fig 401Config 2
(Refer to Repair541162-300-801-B01)
ATTACH FITTINGS REPAIR SCHEMEFOR FWD BEAM ATTACHMENT JUNCTION
SHACKLE (ELONGATED HOLES)
541261Fig 401Config 1
(Refer to Repair541261-300-801-A01)
COWLS AND FAIRINGS REPAIRSCHEME FOR DAMAGED COWL
541261Fig 401Config 2
(Refer to Repair541261-300-801-B01)
COWLS AND FAIRINGS REPAIRSCHEME FOR DAMAGED COWL
541261Fig 402Config 1
(Refer to Repair541261-300-802-A01)
COWLS AND FAIRINGS REPAIR SCHEME FOR CRACKSON OUTLET ASSY - AIR
541261Fig 403Config 1
(Refer to Repair541261-300-803-A01)
COWLS AND FAIRINGS REPAIRSCHEME FOR CRACK ON AFT EDGING
541261Fig 402Config 2
(Refer to Repair541261-300-803-B01)
COWLS AND FAIRINGS REPAIRSCHEME FOR CRACK ON AFT EDGING
541261Fig 404Config 1
(Refer to Repair541261-300-804-A01)
OIL COOLER DUCT REPAIRSCHEME FOR CRACKS ON UPPERSURFACE AT ATTACHMENT HOLES
541261Fig 405Config 1
(Refer to Repair541261-300-805-A01)
OIL COOLER DUCT REPAIR SCHEMEFOR CRACKS, CHIPPING AND
ELONGATION AT ATTACHMENT HOLES
541261Fig 406Config 1
(Refer to Repair541261-300-806-A01)
OIL COOLER DUCT REPAIR SCHEMEFOR CRACKS ON UPPER SURFACE
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 25
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
541261Fig 403Config 2
(Refer to Repair541261-300-806-B01)
OIL COOLER DUCT REPAIR SCHEMEFOR CRACKS ON UPPER SURFACE
541261Fig 407Config 1
(Refer to Repair541261-300-807-A01)
OIL COOLER DUCT REPAIR SCHEMEFOR WEARS ON UPPER SURFACE
541261Fig 408Config 1
(Refer to Repair541261-300-808-A01)
COWL AND FAIRING REPAIRSCHEMES FOR CRACK ON UPPERCOWL AT CENTER CUT OUT
541261Fig 404Config 2
(Refer to Repair541261-300-808-B01)
COWL AND FAIRING REPAIRSCHEMES FOR CRACK ON UPPER COWL
541261Fig 409Config 1
(Refer to Repair541261-300-809-A01)
COWL AND FAIRING REPAIRSCHEMES FOR CRACK ON SKINOF UPPER COWL AT CORNER
541261Fig 405Config 2
(Refer to Repair541261-300-809-B01)
COWL AND FAIRING REPAIR SCHEMESFOR CRACK ON SKIN OF UPPER COWL
541261Fig 410Config 1
(Refer to Repair541261-300-810-A01)
COWL AND FAIRING REPAIRSCHEMES FOR THE EDGINGCRACK ON UPPER COWL
541261Fig 406Config 2
(Refer to Repair541261-300-810-B01)
COWL AND FAIRING REPAIRSCHEMES FOR THE EDGINGCRACK ON UPPER COWL
541261Fig 411Config 1
(Refer to Repair541261-300-811-A01)
COWL AND FAIRING REPAIRSCHEME FOR UPPER COWLCOMPONENTS REPLACEMENT
541261Fig 407Config 2
(Refer to Repair541261-300-811-B01)
COWL AND FAIRING REPAIRSCHEME FOR UPPER COWLCOMPONENTS REPLACEMENT
542161Fig 401Config 1
(Refer to Repair542161-300-801-A01)
REPAIR SCHEME FOR A SUPERFICIALSMOOTHING ON REAR TUBULAR MOUNT
542161Fig 401Config 2
(Refer to Repair542161-300-801-B01)
REPAIR SCHEME FOR A SUPERFICIALSMOOTHING ON REAR TUBULAR MOUNT
542161Fig 402Config 1
(Refer to Repair542161-300-802-A01)
REPAIR SCHEME FOR A CALIBRATEDSMOOTHING ON REAR TUBULAR MOUNT
542161Fig 402Config 2
(Refer to Repair542161-300-802-B01)
REPAIR SCHEME FOR A CALIBRATEDSMOOTHING ON REAR TUBULAR MOUNT
542261Fig 401Config 1
(Refer to Repair542261-300-801-A01)
REPAIR SCHEME FOR DAMAGEDEDGE ON LATERAL PANEL
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 26
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
542261Fig 401Config 2
(Refer to Repair542261-300-801-B01)
REPAIR SCHEME FOR DAMAGEDEDGE ON LATERAL PANEL
542261Fig 402Config 1
(Refer to Repair542261-300-802-A01)
REPAIR SCHEME FOR CRACK ONFIREWALL DEFINITION OF ZONES
542261Fig 402Config 2
(Refer to Repair542261-300-802-B01)
REPAIR SCHEME FOR CRACK ONFIREWALL DEFINITION OF ZONES
542261Fig 403XConfig 1
(Refer to Repair542261-300-803-A01)
TEMPORARY REPAIR SCHEME FORCRACK ON UPPER FIREWALL PANEL
542261Fig 403XConfig 2
(Refer to Repair542261-300-803-B01)
TEMPORARY REPAIR SCHEME FORCRACK ON UPPER FIREWALL PANEL
542261Fig 404Config 1
(Refer to Repair542261-300-804-A01)
REPAIR SCHEME FOR CRACKON REINFORCING ANGLE
542261Fig 405XConfig 1
(Refer to Repair542261-300-805-A01)
TEMPORARY REPAIR SCHEME FORCRACK ON FRONT FIREWALL PANEL
542261Fig 405XConfig 2
(Refer to Repair542261-300-805-B01)
TEMPORARY REPAIR SCHEME FORCRACK ON FRONT FIREWALL PANEL
542261Fig 405Config 1
(Refer to Repair542261-300-806-A01)
REPAIR SCHEME FOR CRACKON FRONT FIREWALL PANEL
542261Fig 405Config 2
(Refer to Repair542261-300-806-B01)
REPAIR SCHEME FOR CRACKON FRONT FIREWALL PANEL
542261Fig 403Config 1
(Refer to Repair542261-300-807-A01)
REPAIR SCHEME FOR CRACKON UPPER FIREWALL PANEL
542261Fig 403Config 2
(Refer to Repair542261-300-807-B01)
REPAIR SCHEME FOR CRACKON UPPER FIREWALL PANEL
542261Fig 406Config 1
(Refer to Repair542261-300-808-A01)
REPAIR SCHEME FOR PERFORATIONON UPPER FIREWALL PANEL
542261Fig 407Config 1
(Refer to Repair542261-300-809-A01)
REPAIR SCHEME FOR PERFORATIONON UPPER FIREWALL PANEL
542261Fig 404Config 2
(Refer to Repair542261-300-810-A01)
REPAIR SCHEME FORCRACK ON FIREWALL PANEL
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 27
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
543261Fig 401
(Refer to Repair543261-300-801-A01)
FAIRING STRUCTURE - REPAIRSCHEME FOR DELAMINATION ON
LOWER SURFACE OF ENGINE NACELLE
CHAPTER 55
Table 12: ALLOWABLE DAMAGEBefore
ConversionAfter Conversion Title After Conversion
550000Fig 301Config 1
(Refer to Damages550000-200-801-B01)
HORIZONTAL AND VERTICALSTABILIZER DAMAGE TYPEAND DEFECT DESCRIPTION
550000GENERALConfig 2
(Refer to Damages550000-200-801-A01)
HORIZONTAL AND VERTICALSTABILIZER DAMAGE TYPEAND DEFECT DESCRIPTION
550000TABLE 1Config 2
550000Fig 301Config 2
550000Fig 302Config 2
550000Fig 303Config 2
550000Fig 324Config 2
(Refer to Damages550000-200-802-A01)
C/E VERTICAL STABILIZER ALLOWABLE DAMAGE
550000TABLE 2Config 2
550000Fig 305Config 2
550000Fig 306Config 2
550000Fig 323Config 2
(Refer to Damages550000-200-803-A01)
C/E HORIZONTAL STABILIZER MULTISPAR BOX ALLOWABLE DAMAGES
550000TABLE 3Config 2
(Refer to Damages550000-200-804-A01)
C/E VERTICAL AND HORIZONTALSTABILIZER JOINTS ALLOWABLE DAMAGES
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 28
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
550000Fig 307Config 2
550000Fig 308Config 2
550000Fig 309Config 2
550000Fig 310Config 2
550000Fig 311Config 2
550000Fig 312Config 2
550000Fig 313Config 2
550000Fig 314Config 2
550000Fig 315Config 2
550000Fig 316Config 2
550000Fig 317Config 2
550000Fig 318Config 2
550000Fig 319Config 2
550000Fig 320Config 2
550000Fig 321Config 2
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 29
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
550000Fig 322Config 2
(Refer to Damages551100-200-801-A01)
HORIZONTAL STABILIZER SPAR BOX
(Refer to Damages551100-200-803-A01)
HORIZONTAL STABILIZER SPAR BOX ALLOWABLE
SCRATCHES, SCORES AND ABRASION
(Refer to Damages551100-200-804-A01)
HORIZONTAL STABILIZER SPARBOX ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS
(Refer to Damages551100-200-805-A01)
HORIZONTAL STABILIZER SPARBOX ALLOWABLE DENTS IN
SKIN PANELS (VALID FOR DE)
551100Fig 301
(Refer to Damages551100-200-806-A01)
HORIZONTAL STABILIZER SPAR BOX ALLOWABLE DENTSIN HONEYCOMB SKIN PANEL
551100Fig 302Config1 and
Config 2
(Refer to Damages551100-200-802-A01)
HORIZONTAL STABILIZER SPARBOX DAMAGE TYPES AND REPAIRS
551230Fig 301
(Refer to Damages551230-200-801-A01)
HORIZONTAL STABILIZERLEADING EDGE SKIN PANELS
552000Fig 301
(Refer to Damages552000-200-801-A01)
ELEVATOR AND TABS COMPOSITEPARTS - ALLOWABLE DAMAGE
(Refer to Damages553100-200-801-A01)
VERTICAL STABILIZER SPAR BOX
(Refer to Damages553100-200-803-A01)
VERTICAL STABILIZER SPARBOX ALLOWABLE SCRATCHES,
SCORES AND ABRASION
(Refer to Damages553100-200-804-A01)
HORIZONTAL STABILIZER SPARBOX ALLOWABLE SCRATCHES INMACHINED AND EXTRUDED PARTS
(Refer to Damages553100-200-805-A01)
VERTICAL STABILIZER SPARBOX ALLOWABLE DENTS INSKIN PANEL (VALID FOR DE)
553100Fig 301
(Refer to Damages553100-200-806-A01)
VERTICAL STABILIZER SPAR BOX ALLOWABLE DENTSIN HONEYCOMB SKIN PANEL
553100Fig 302Config1 and
Config 2
(Refer to Damages553100-200-802-A01)
VERTICAL STABILIZER SPAR BOX FORIMPACT DAMAGES TYPES AND REPAIRS
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 30
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
554000Fig 301
(Refer to Damages554000-200-801-A01)
RUDDER COMPOSITEPART ALLOWABLE DAMAGE
554500Fig 301
(Refer to Damages554500-200-801-A01)
RUDDER TAB
Table 13: REPAIRBefore
ConversionAfter Conversion Title After Conversion
550000General
(Refer to Repair550000-300-817-A01)
STABILIZERS GENERAL REPAIRS
550000Fig 401
(Refer to Repair550000-300-801-A01)
STABILIZER GENERAL DEBONDED METALLIC SKIN
AND HONEYCOMB CORE REPAIR
550000Fig 402
(Refer to Repair550000-300-802-A01)
REPAIR OF DAMAGE TO ONE METALLICSKIN AND HONEYCOMB CORE
550000Fig 403
(Refer to Repair550000-300-803-A01)
REPAIR OF DAMAGE TO ONE METALLICSKIN AND HONEYCOMB CORE
550000Fig 404
(Refer to Repair550000-300-816-A01)
REPAIR TO METALLIC SANDWICH PANEL
550000Fig 405
(Refer to Repair550000-300-804-A01)
REPAIR OF DENTS IN METALHONEYCOMB STRUCTURE
(Refer to Repair550000-300-805-A01)
RUDDER, ELEVATOR AND TABS GRAPHITE COMPOSITE STRUCTURE REPAIR PROCEDURE COMMONTO TYPICAL REPAIR FIGURE550000
Fig 406(Refer to Repair
550000-300-806-A01)
RUDDER, ELEVATOR AND TABS REPAIR A SEPARATION
SKIN CORE AND DELAMINATION
550000Fig 407
(Refer to Repair550000-300-807-A01)
RUDDER, ELEVATOR AND TABS REPAIR B PERFORATINGAND NON PERFORATING DAMAGE
550000Fig 408
(Refer to Repair550000-300-808-A01)
RUDDER, ELEVATOR AND TABS REPAIR C SANDWICH
STRUCTURE PERFORATING DAMAGE
550000Fig 409
(Refer to Repair550000-300-809-A01)
RUDDER, ELEVATOR AND TABS REPAIR D1 AND REPAIR D2 SEPARATION SKIN CORE DAMAGE
550000Fig 410
(Refer to Repair550000-300-810-A01)
RUDDER, ELEVATOR AND TABS REPAIR E1 AND REPAIR E2
PERFORATING DAMAGE SANDWICH ZONE
550000Fig 411
(Refer to Repair550000-300-811-A01)
RUDDER, ELEVATOR ANDTABS REPAIR F DENTON SANDWICH STRUCTURE
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 31
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
550000Fig 412
(Refer to Repair550000-300-812-A01)
RUDDER, ELEVATOR ANDTABS REPAIR G DENTON SANDWICH STRUCTURE
550000Fig 413
(Refer to Repair550000-300-813-A01)
RUDDER, ELEVATOR AND TABS REPAIR H1 AND REPAIR H2 DENT ON SANDWICH STRUCTURE
550000Fig 414
(Refer to Repair550000-300-814-A01)
RUDDER, ELEVATOR AND TABS REPAIR K NON PERFORATING DAMAGE
550000Fig 415
(Refer to Repair550000-300-815-A01)
RUDDER, ELEVATOR AND TABS REPAIR L1 AND REPAIRL2 NON PERFORATINGDAMAGE OR DELAMINATION
551100Fig 401Config 1
(Refer to Repair551100-300-801-A01)
HORIZONTAL STABILIZER SPAR BOX REPAIRS
551100Fig 401Config 2
(Refer to Repair551100-300-802-A01)
REPAIR FOR LIGHT DAMAGESFOR RESIN FILLING
551100Fig 402Config 2
(Refer to Repair551100-300-803-A01)
REPAIR FOR LIGHT DAMAGES BYRESIN FILLING AND EXTRA PLIES
551100Fig 403Config 2
(Refer to Repair551100-300-804-A01)
HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ON PANELEDGE CLOSE TO REAR SPAR
551100Fig 404Config 2
(Refer to Repair551100-300-805-A01)
HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ONTHE SKIN AT SPAR CAP
(Refer to Repair551100-300-806-A01)
METAL PATCH REPAIR FORPERFORATING DAMAGE ON FRONT
SPAR CAP FIRST REPAIR SOLUTION551100Fig 405Config 2 (Refer to Repair
551100-300-812-A01)
METAL PATCH REPAIR FORPERFORATING DAMAGE ON FRONT SPARCAP SECOND REPAIR SOLUTION
551100Fig 406Config 2
(Refer to Repair551100-300-807-A01)
METAL PATCH REPAIR FORPERFORATING DAMAGE ONTHE SKIN AT SPAR CAP
551100Fig 407Config 2
(Refer to Repair551100-300-808-A01)
METAL PATCH REPAIR FOR FRONTAND REAR SPAR WEBS CUT OUT
551100Fig 408Config 2
(Refer to Repair551100-300-809-A01)
REPAIR SCHEME FOR NON-PERFORATING DAMAGE ON THESKIN BETWEEN TWO SPARS
551100Fig 409Config 2
(Refer to Repair551100-300-810-A01)
HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ON THESKIN BETWEEN TWO SPARS
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 32
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
551100Fig 410Config 2
(Refer to Repair551100-300-811-A01)
METAL PATCH REPAIR FORNON-PERFORATING DAMAGEON THE SKIN AT SPAR CAP
551140Fig 401Config 2
(Refer to Repair551140-300-801-A01)
REAR SPAR UPPER GROUNDINGSTRIP CORROSION REPAIR
551220Fig 401
(Refer to Repair551220-300-801-A01)
HORIZONTAL STABILIZER LEADINGEDGE - RIB CRACK REPAIR (LH/RH)
552000Fig 401
(Refer to Repair552000-300-801-A01)
RUDDER, ELEVATOR AND TABSCOMPOSITE PARTS REPAIRS
553100Fig 401
(Refer to Repair553100-300-801-A01)
VERTICAL STABILIZER SPAR BOX
553110Fig 401Config 2
(Refer to Repair553110-300-801-A01)
REAR SPAR GROUNDINGSTRIP CORROSION REPAIR
553130Fig 401Config 2
(Refer to Repair553130-300-805-A01)
REPAIR FOR LIGHTDAMAGES BY RESIN FILLING
553130Fig 403Config 2
(Refer to Repair553130-300-801-A01)
METAL PATCH REPAIR FORNON-PERFORATING DAMAGE ONSKIN BETWEEN TWO STRINGERS
553130Fig 404Config 2
(Refer to Repair553130-300-802-A01)
HOT BOND REPAIR FOR NON-PERFORATING DAMAGE ON THESKIN BETWEEN TWO STRINGERS
553130Fig 405Config 2
(Refer to Repair553130-300-803-A01)
METAL PATCH REPAIR FORPERFORATING DAMAGE ON
SKIN BETWEEN TWO STRINGERS
553130Fig 406Config 2
(Refer to Repair553130-300-804-A01)
METAL PATCH REPAIR FORPERFORATING DAMAGE ATSKIN/STRINGERS LOCATION
553130Fig 402Config 2
(Refer to Repair553130-300-806-A01)
REPAIR FOR LIGHT DAMAGES BYRESIN FILLING AND EXTRA PLIES
553130Fig 407Config 2
(Refer to Repair553130-300-807-A01)
METAL PATCH REPAIR FOR FRONTAND REAR SPAR WEBS CUT OUT
553420Fig 401X
(Refer to Repair553420-300-801-A01)
TEMPORARY REPAIR OF ASMALL CRACK ON FIN TIP RIB
554000Fig 401
(Refer to Repair554000-300-801-A01)
RUDDER, ELEVATOR AND TABSCOMPOSITE PARTS REPAIRS
554100Fig 403
(Refer to Repair554100-300-801-A01)
RUDDER SKIN REPAIR AT TABCOUNTERBALANCE ARM CUT OUT
CHAPTER 56
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 33
R Oct 01/14
Table 14: ALLOWABLE DAMAGEBefore
ConversionAfter Conversion Title After Conversion
561000Fig 301
(Refer to Damages561000-200-801-A01)
FLIGHT COMPARTMENT
562100Fig 301
(Refer to Damages562100-200-801-A01)
CABIN WINDOW - ALLOWABLE DAMAGES
Table 15: REPAIRBefore
ConversionAfter Conversion Title After Conversion
560000Fig 401
(Refer to Repair560000-300-801-A01)
WINDOWS GENERAL -COCKPIT WINDSHIELD ANDCABIN WINDOWS REPAIR
561000Fig 401
(Refer to Repair561000-300-801-A01)
SPS - MAIN WINDSHIELDS(SPSATR42 111 OR SPSATR42211 OR SPSATR42122 OR
SPSATR422 22) ERODED AND/OR DEBONDED WEATHER SEAL REPAIR
561000Fig 402
(Refer to Repair561000-300-802-A01)
PPG - MAIN WINDSHIELDS(NP-158801 3/4) ERODED AND/
OR DEBONDED MOISTURE SEAL REPAIR
561000Fig 403
(Refer to Repair561000-300-803-A01)
PPG - MAIN WINDSHIELDS(NP-158801 1/2) ERODED AND/
OR DEBONDED MOISTURE SEAL REPAIR
561000Fig 404
(Refer to Repair561000-300-804-A01)
PPG - FOWARD SIDE WINDOWS(NP-1588623/4) ERODED AND/ORDEBONDED MOISTURE SEAL REPAIR
CHAPTER 57
Table 16: ALLOWABLE DAMAGEBefore
ConversionAfter Conversion Title After Conversion
571200Fig 301
(Refer to Damages571200-200-801-A01)
SPAR EXTRUSION
571200Fig 302
(Refer to Damages571200-200-802-A01)
SPAR WEB
571210Fig 301
(Refer to Damages571210-200-801-A01)
FRONT SPAR UPPER/LOWER CHORDSALLOWABLE DAMAGES ON VERTICAL
AND HORIZONTAL FLANGES
571210Fig 302
571210Table 301
(Refer to Damages571210-200-802-A01)
FRONT SPAR TOP FLANGE ALLOWABLEDAMAGES ON STRIP SLAT
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 34
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
571220Fig 301
(Refer to Damages571220-200-801-A01)
REAR SPAR UPPER/LOWER CHORDSALLOWABLE DAMAGES ON VERTICAL
AND HORIZONTAL FLANGES
(Refer to Damages571220-200-802-A01)
REAR SPAR TOP FLANGE ALLOWABLEDAMAGES ON STRIP SLAT571220
Fig 302 (Refer to Damages571220-200-803-A01)
REAR SPAR STRUCTURALDEFECT/DAMAGE REPORT
571300Fig 301
(Refer to Damages571300-200-801-A01)
ALLOWABLE DAMAGES ON SHEET METALRIBS (WEB AND RIB FLANGES)
571410Fig 301
(Refer to Damages571410-200-801-A01)
UPPER SURFACE SKIN
571412Fig 301
(Refer to Damages571412-200-801-A01)
REMOVABLE PANELS - - ALLOWABLEBLENDING LIMITS OF HOUSINGSURFACE OF THE ACCESS DOOR
572200Fig 301
(Refer to Damages572200-200-801-A01)
SPAR EXTRUSION
572200Fig 302
(Refer to Damages572200-200-802-A01)
SPAR WEB
572300Fig 301
(Refer to Damages572300-200-801-A01)
ALLOWABLE DAMAGES ON SHEET METALRIBS (WEB AND RIB FLANGES)
572400Fig 301
(Refer to Damages572400-200-801-A01)
SKIN AND STIFFENERS - FUELOUTFLOW DEFLECTOR ANGLE
572410Fig 301
(Refer to Damages572410-200-801-A01)
UPPER SURFACE SKINS REMOVABLE AND FIXED PANELS
573110Fig 301
(Refer to Damages573110-200-801-A01)
WING TIP LIGHT TRANSPARENT COVER
574000Fig 301
(Refer to Damages574000-200-801-A01)
COMPOSITE LEADING EDGE
575210Fig 301Config1 and
Config 2
(Refer to Damages575210-200-801-A01)
INBOARD FLAP STRUCTUREDEFINITION OF ZONES
575210Fig 302Config1 and
Config 2
(Refer to Damages575210-200-802-A01)
INBOARD FLAP STRUCTURESANDWICH CONSTRUCTIONZONE (FLAKING IMPACT)
575210Fig 303Config1 and
Config 2
(Refer to Damages575210-200-803-A01)
INBOARD FLAP STRUCTUREMONOLITH CONSTRUCTION ZONES5 AND 6 (FLAKING IMPACT)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 35
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
575210Fig 304Config1 and
Config 2
(Refer to Damages575210-200-804-A01)
INBOARD FLAP STRUCTURESANDWICH CONSTRUCTION
ZONE (SCORES, SCRATCHES)
575210Fig 305Config1 and
Config 2
(Refer to Damages575210-200-805-A01)
INBOARD FLAP STRUCTUREMONOLITH CONSTRUCTION ZONES5 AND 6 (SCORES, SCRATCHES)
575210Fig 306Config1 and
Config 2
(Refer to Damages575210-200-806-A01)
INBOARD FLAP STRUCTURE SANDWICHCONSTRUCTION ZONE (CRUSHING)
575210Fig 307Config1 and
Config 2
(Refer to Damages575210-200-807-A01)
INBOARD FLAP STRUCTURE(DELAMINATION)
575210Fig 308Config1 and
Config 2
(Refer to Damages575210-200-808-A01)
INBOARD FLAP STRUCTURE(SEPARATION - SKIN/CORE)
575210Fig 309Config1 and
Config 2
(Refer to Damages575210-200-809-A01)
INBOARD FLAP STRUCTURE(CHIPPING - SKIN/CORE)
575210Table 301Config1 and
Config 2
(Refer to Damages575210-200-810-A01)
INBOARD FLAP STRUCTURE SUMMARY
575210Fig 310Config1 and
Config 2
(Refer to Damages575210-200-811-A01)
INBOARD FLAP STRUCTURE PICK-UPFITTINGS AND FITTINGS AT RIB 5
575220Fig 301Config 1
(Refer to Damages575220-200-801-A01)
CAM GUIDE (WEAR)
575220Fig 301Config 2
(Refer to Damages575220-200-801-B01)
CAM GUIDE (WEAR)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 36
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
575220Fig 302Config 1
(Refer to Damages575220-200-802-A01)
CORROSION ON FLAP CAM GUIDES
575220Fig 302Config 2
(Refer to Damages575220-200-802-B01)
CORROSION ON FLAP CAM GUIDES
575310Fig 301
(Refer to Damages575310-200-801-A01)
OUTBOARD FLAP STRUCTURE- DEFINITION OF ZONES
575310Fig 302
(Refer to Damages575310-200-802-A01)
OUTBOARD FLAP STRUCTURE- SANDWICH CONSTRUCTIONZONE (FLAKING IMPACT)
575310Fig 304
(Refer to Damages575310-200-803-A01)
OUTBOARD FLAP STRUCTURE SANDWICHCONSTRUCTION ZONE (SCORES)
575310Fig 306
(Refer to Damages575310-200-804-A01)
OUTBOARD FLAP STRUCTURE SANDWICHCONSTRUCTION ZONE (CRUSHING)
575310Fig 307
(Refer to Damages575310-200-805-A01)
OUTBOARD FLAP STRUCTURE(DELAMINATION)
575310Fig 308
(Refer to Damages575310-200-806-A01)
OUTBOARD FLAP STRUCTURE(SEPARATION - SKIN/CORE)
(Refer to Damages575310-200-807-A01)
OUTBOARD FLAP STRUCTURE(CHIPPING - SKIN/CORE)575310
Fig 309 (Refer to Damages575310-200-808-A01)
OUTBOARD FLAP STRUCTURE SUMMARY
575310Fig 310
(Refer to Damages575310-200-809-A01)
OUTBOARD FLAP STRUCTUREFITTINGS AT RIB 14 AND RIB 18
575320Fig 301CONFIG 1
(Refer to Damages575320-200-801-A01)
CAM GUIDE (WEAR)
575320Fig 301CONFIG 2
(Refer to Damages575320-200-801-B01)
CAM GUIDE (WEAR)
575320Fig 302CONFIG 1
(Refer to Damages575320-200-802-A01)
CORROSION ON FLAP CAM GUIDES
575320Fig 302CONFIG 2
(Refer to Damages575320-200-802-B01)
CORROSION ON FLAP CAM GUIDES
(Refer to Damages576110-200-801-A01)
COMPLETE STRUCTURE EVALUATION OF REPAIRABILITY576110
Fig. 301Config 1 (Refer to Damages
576110-200-802-A01)COMPLETE STRUCTURE AILERONBOX - DEFINITION OF ZONES
576110Fig. 301Config 2
(Refer to Damages576110-200-801-B01)
COMPLETE STRUCTURE EVALUATION OF REPAIRABILITY
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 37
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
576110Fig. 302Config 1
(Refer to Damages576110-200-803-A01)
COMPLETE STRUCTURE TAB DEFINITION OF ZONES
576110Fig. 303Config 1
(Refer to Damages576110-200-804-A01)
COMPLETE STRUCTURE HORN- DEFINITION OF ZONES
576110Fig. 304Config 1
(Refer to Damages576110-200-805-A01)
COMPLETE STRUCTURE AILERONBOX (SCORE/SCRATCH)
576110Fig. 305Config 1
(Refer to Damages576110-200-806-A01)
COMPLETE STRUCTURE AILERONBOX (PERFORATING IMPACT)
576110Fig. 306Config 1
(Refer to Damages576110-200-807-A01)
COMPLETE STRUCTUREAILERON BOX (FLAKING/
PERFORATING IMPACT OR NOT)
576110Fig. 307Config 1
(Refer to Damages576110-200-808-A01)
COMPLETE STRUCTURE AILERONBOX (DELAMINATION, SEPARATION)
576110Fig. 308Config 1
(Refer to Damages576110-200-809-A01)
COMPLETE STRUCTURETAB (SCORE/SCRATCH)
576110Fig. 309Config 1
(Refer to Damages576110-200-810-A01)
COMPLETE STRUCTURE TAB (FLAKING/PERFORATING IMPACT OR NOT)
576110Fig. 310Config 1
(Refer to Damages576110-200-811-A01)
COMPLETE STRUCTURE TAB(DELAMINATION, SEPARATION)
576110Fig. 311Config 1
(Refer to Damages576110-200-812-A01)
COMPLETE STRUCTUREHORN (SCORE, SCRATCH)
576110Fig. 312Config 1
(Refer to Damages576110-200-813-A01)
COMPLETE STRUCTUREHORN (FLAKING/
PERFORATING IMPACT OR NOT)
576110Fig. 313Config 1
(Refer to Damages576110-200-814-A01)
COMPLETE STRUCTURE HORN(DELAMINATION, SEPARATION)
576110Fig. 314Config 1
(Refer to Damages576110-200-815-A01)
COMPLETE STRUCTUREHORN (CRUSHING)
576110Fig. 302Config 2
(Refer to Damages576110-200-816-A01)
COMPLETE STRUCTURE SPRINGTAB SKIN PANEL (DELAMINATION)
576110Fig. 308Config 2
(Refer to Damages576110-200-817-A01)
COMPLETE STRUCTURE SPRING TABSKIN PANEL (SCORE, SCRATCH)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 38
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
576110Fig. 309Config 2
(Refer to Damages576110-200-818-A01)
COMPLETE STRUCTURE SPRINGTAB TRAILING EDGE (CRUSHING)
Table 17: REPAIRBefore
ConversionAfter Conversion Title After Conversion
571210Fig 401X
(Refer to Repair571210-300-801-A01)
FRONT SPAR - TEMPORARY REPAIRSCHEME FOR CRACK AND CORROSIONON LOWER AND UPPER SPAR FLANGES
571210Fig 401
(Refer to Repair571210-300-802-A01)
FRONT SPAR - REPAIR SCHEMEFOR CRACK AND CORROSION ONLOWER AND UPPER SPAR FLANGES
571210Fig 402
(Refer to Repair571210-300-803-A01)
FRONT SPAR REPAIR SCHEMEFOR CHAFING ON UPPERFRONT SPAR STRIP SLAT
(Refer to Repair571210-300-806-A01)
FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 10AND 11 (LH SIDE) REPAIR A
(Refer to Repair571210-300-807-A01)
FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 11AND 12 (LH SIDE) REPAIR B
(Refer to Repair571210-300-808-A01)
FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 10AND 11 (RH SIDE) REPAIR C
571210Fig 403
(Refer to Repair571210-300-809-A01)
FRONT SPAR LOWER STRIPREPAIR BETWEEN THE RIBS 11AND 12 (RH SIDE) REPAIR D
571210Fig 404
(Refer to Repair571210-300-805-A01)
FRONT SPAR LOWER STRIP BLENDOUT (LH/RH) BETWEEN THERIBS 10/11 AND RIBS 11/12
571220Fig 401X
(Refer to Repair571220-300-801-A01)
REAR SPAR TEMPORARY REPAIRSCHEME FOR CRACK AND CORROSIONON LOWER AND UPPER SPAR FLANGES
571220Fig 401
(Refer to Repair571220-300-802-A01)
REAR SPAR REPAIR SCHEMEFOR CRACK AND CORROSION ONLOWER AND UPPER SPAR FLANGES
571220Fig 402
(Refer to Repair571220-300-803-A01)
REPAIR SCHEME FOR CHAFING ONUPPER REAR SPAR STRIP SLAT
571310Fig 401
(Refer to Repair571310-300-801-A01)
RIBS STRUCTURE REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE
(DAMAGE BETWEEN STIFF. 3 THRU 5)
571310Fig 402
(Refer to Repair571310-300-802-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE
(DAMAGE BETWEEN STIFF. 4 THRU 5)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 39
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
571310Fig 403
(Refer to Repair571310-300-803-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE
(DAMAGE BETWEEN STIFF. 6 THRU 8)
571310Fig 404
(Refer to Repair571310-300-804-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB WEB
571410Fig 401
(Refer to Repair571410-300-801-A01)
UPPER SURFACE SKIN REPAIR SCHEME FOR
CORROSION ON SKIN PANELS
571410Fig 402
(Refer to Repair571410-300-802-A01)
UPPER SURFACE SKIN REPAIRSCHEME FOR CORROSION ON REMOVABLEPANELS BETWEEN RIB 0 AND RIB 8
571410Fig 403
(Refer to Repair571410-300-803-A01)
REPAIR SCHEME FOR CORROSIONON REMOVABLE PANELS
BETWEEN RIB 8 AND RIB 13
571410Fig 404
(Refer to Repair571410-300-804-A01)
UPPER SURFACE SKIN REPAIR SCHEME FOR CRACKON SKIN PANELS STIFFENERS
571412Fig 401
(Refer to Repair571412-300-801-A01)
REMOVABLE PANELS REPAIRSCHEME FOR HOUSING SURFACE
ON THE ACCESS DOORS
571420Fig 401
(Refer to Repair571420-300-801-A01)
LOWER SURFACE SKIN REPAIR SCHEMEFOR CRACK ON LOWER SURFACE PANELSTIFFENER DAMAGE (CRACK) CUT-OUT DEPTH 15 mm (0.591 in.) MAX.
571420Fig 402
(Refer to Repair571420-300-802-A01)
LOWER SURFACE SKIN REPAIR SCHEMEFOR CRACK ON LOWER SURFACE PANELSTIFFENER DAMAGE (CRACK) CUT-OUT DEPTH 8mm (0.315 in.) MAX.
572200Fig 401
(Refer to Repair572200-300-801-A01)
SPARS (FRONT AND REAR) REPAIR SCHEME FOR SPARWEB FLANGE RIB23 TO RIB30
572310Fig 401
(Refer to Repair572310-300-801-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE
572310Fig 402
(Refer to Repair572310-300-802-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE
572310Fig 403
(Refer to Repair572310-300-803-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB FLANGE
572310Fig 404
(Refer to Repair572310-300-804-A01)
RIBS STRUCTURE - REPAIR SCHEMEFOR CRACK ON WING RIB WEB
572400Fig 401X
(Refer to Repair572400-300-801-A01)
SKINS AND STIFFENERS -TEMPORARY REPAIR FOR FUELOUTFLOW DEFLECTOR ANGLE
572400Fig 401
(Refer to Repair572400-300-802-A01)
SKINS AND STIFFENERS - REPAIRFOR FUEL OUTFLOW DEFLECTOR ANGLE
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 40
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
572411Fig 401
(Refer to Repair572411-300-801-A01)
UPPER FIXED PANELS RIB 13 TORIB 23 - REPAIR SCHEME FORCRACK ON STIFFENERS BETWEENRIB 14 TO RIB 18 (CRACK
ON TWO SIDES OF STIFFENER)
572411Fig 402
(Refer to Repair572411-300-802-A01)
UPPER FIXED PANELS RIB 13 TORIB 23 REPAIR SCHEME FORCRACK ON STIFFENERS BETWEENRIB 18 TO RIB 21 (CRACKON ONE SIDE AT STIFFENER)
572420Fig 401
(Refer to Repair572420-300-801-A01)
LOWER SURFACE SKIN - REPAIRSCHEME FOR CRACK ON SKIN PANELAT RIB/STIFFENER INTERSECTION
572420Fig 401X
(Refer to Repair572420-300-802-A01)
LOWER SURFACE SKIN - TEMPORARYREPAIR SCHEME FOR CRACKON SKIN PANEL AT RIB/STIFFENER INTERSECTION
572420Fig 402
(Refer to Repair572420-300-803-A01)
LOWER SURFACE SKIN -REPAIR SCHEME FOR CRACKON SKIN PANEL RECESS
572420Fig 402X
(Refer to Repair572420-300-804-A01)
LOWER SURFACE SKIN -TEMPORARY REPAIR SCHEME FORCRACK ON SKIN PANEL RECESS
572420Fig 403
(Refer to Repair572420-300-805-A01)
LOWER SURFACE SKIN - REPAIRSCHEME FOR CRACK ON STIFFENERS
572420Fig 404
(Refer to Repair572420-300-806-A01)
LOWER SURFACE SKIN -REPAIR SCHEME FOR CRACK ONSKIN PANEL AND STIFFENER
572420Fig 405
(Refer to Repair572420-300-807-A01)
LOWER SURFACE SKIN - REPAIRSCHEME FOR CRACK ON SKIN
PANEL AND STIFFENER AT RIB/STIFFENER INTERSECTION
(Refer to Repair574000-300-801-A01)
LEADING EDGES - REPAIRS574000Fig. 401 (Refer to Repair
574000-300-802-A01)LEADING EDGES - PLIES ON
KEVLAR FABRIC IDENTIFICATION
574000Fig. 402
(Refer to Repair574000-300-803-A01)
LEADING EDGES - REPAIRFOR PICK-UP (SCHEME A)
574000Fig. 403
(Refer to Repair574000-300-804-A01)
LEADING EDGES - REPAIR FORPUNCHING, NOTCH (SCHEME B)
574000Fig. 404
(Refer to Repair574000-300-805-A01)
LEADING EDGES - REPAIRFOR SEPARATION (SCHEME C)
574000Fig. 405
(Refer to Repair574000-300-806-A01)
LEADING EDGES - REPAIR FORINDENTATION ON SANDWICHSTRUCTURE (SCHEME D)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 41
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
574000Fig. 406
(Refer to Repair574000-300-807-A01)
LEADING EDGE - REPAIRFOR PICK UP (SCHEME E)
574000Fig. 407
(Refer to Repair574000-300-808-A01)
LEADING EDGES - REPAIR FORDELAMINATION (SCHEME F)
574000Fig. 408
(Refer to Repair574000-300-809-A01)
LEADING EDGES - REPAIR FORPUNCHING, NOTCH (SCHEME H)
574310Fig. 401
(Refer to Repair574310-300-801-A01)
COMPLETE STRUCTURE - REPAIRSCHEME FOR DELAMINATION
(BETWEEN RIB 20 AND RIB 21)
574310Fig. 402
(Refer to Repair574310-300-802-A01)
COMPLETE STRUCTURE - REPAIRSCHEME FOR DELAMINATION
(BETWEEN RIB 21 AND RIB 22)
574310Fig. 403
(Refer to Repair574310-300-803-A01)
COMPLETE STRUCTURE -REPAIR SCHEME FOR CORROSION(BETWEEN RIB 21 AND RIB 30)
(Refer to Repair575210-300-801-A01)
INBOARD FLAP STRUCTURE - REPAIR575210Fig. 401Config 1
andConfig 2
(Refer to Repair575210-300-802-A01)
INBOARD FLAP STRUCTURE- TEMPORARY REPAIR FOR
FLAKING, IMPACT ON SANDWICHCONSTRUCTION (SCHEME AX)
575210Fig. 402Config 1
andConfig 2
(Refer to Repair575210-300-803-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR FLAKING, IMPACT ON
SANDWICH CONSTRUCTION (SCHEME A)
575210Fig. 403Config 1
andConfig 2
(Refer to Repair575210-300-804-A01)
INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKING,PERFORATING IMPACT ON SANDWICH
CONSTRUCTION (SCHEME B1X)
575210Fig. 404Config 1
andConfig 2
(Refer to Repair575210-300-805-A01)
INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR SCORES,
SCRATCHES ON SANDWICHCONSTRUCTION (SCHEME B1X)
575210Fig.405Config 1
andConfig 2
(Refer to Repair575210-300-806-A01)
INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKING,TRAVERSING IMPACT ON MONOLITHCONSTRUCTION (SCHEME B1X)
575210Fig. 406Config 1
andConfig 2
(Refer to Repair575210-300-807-A01)
INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR SCORES,
SCRATCHES ON MONOLITHCONSTRUCTION (SCHEME B1X)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 42
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
575210Fig. 407
andConfig 2Config 1
(Refer to Repair575210-300-808-A01)
INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKINGON TRAILING EDGE ON SANDWICHCONSTRUCTION (SCHEME B1X)
575210Fig. 408Config 1
andConfig 2
(Refer to Repair575210-300-809-A01)
INBOARD FLAP STRUCTURE- REPAIR FOR FLAKING,
PERFORATING IMPACT ON SANDWICHCONSTRUCTION (SCHEME B1)
575210Fig. 409Config 1
andConfig 2
(Refer to Repair575210-300-810-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR SCRATCHES, SCORES ONSANDWICH CONSTRUCTION (SCHEME B1)
575210Fig. 410Config 1
andConfig 2
(Refer to Repair575210-300-811-A01)
INBOARD FLAP STRUCTURE - REPAIRFOR FLAKING, TRAVERSING IMPACT ONMONOLITH CONSTRUCTION (SCHEME B1)
575210Fig. 411Config 1
andConfig 2
(Refer to Repair575210-300-812-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR SCRATCHES, SCORES ONMONOLITH CONSTRUCTION (SCHEME B1)
575210Fig. 412Config 1
andConfig 2
(Refer to Repair575210-300-813-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR FLAKING, IMPACT
ON TRAILING EDGES (SCHEME B1)
575210Fig. 413Config 1
andConfig 2
(Refer to Repair575210-300-814-A01)
INBOARD FLAP STRUCTURE - REPAIRFOR PERFORATING IMPACT ON
SANDWICH CONSTRUCTION (SCHEME B2)
575210Fig. 414Config 1
andConfig 2
(Refer to Repair575210-300-815-A01)
INBOARD FLAP STRUCTURE - REPAIRFOR NON-PERFORATING IMPACTOF 4 PLIES ZONE (SCHEME B3)
575210Fig. 415Config 1
andConfig 2
(Refer to Repair575210-300-816-A01)
INBOARD FLAP STRUCTURE - REPAIRFOR NON-PERFORATING IMPACTOF 6 PLIES ZONE (SCHEME B3)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 43
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
575210Fig. 416Config 1
andConfig 2
(Refer to Repair575210-300-817-A01)
INBOARD FLAP STRUCTURE - REPAIRFOR NON-PERFORATING IMPACTOF 7 PLIES ZONE (SCHEME B3)
575210Fig. 417Config 1
andConfig 2
(Refer to Repair575210-300-818-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON4 PLIES ZONE (SCHEME B4)
575210Fig. 418Config 1
andConfig 2
(Refer to Repair575210-300-819-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON6 PLIES ZONE (SCHEME B4)
575210Fig. 419Config 1
andConfig 2
(Refer to Repair575210-300-820-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON7 PLIES ZONE (SCHEME B4)
575210Fig. 420Config 1
andConfig 2
(Refer to Repair575210-300-821-A01)
INBOARD FLAP STRUCTURE - REPAIRFOR PERFORATING IMPACT ON
SANDWICH CONSTRUCTION SCHEME B5
575210Fig. 421Config 1
andConfig 2
(Refer to Repair575210-300-822-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON4 PLIES ZONE (SCHEME B6)
575210Fig. 422Config 1
andConfig 2
(Refer to Repair575210-300-823-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR PERFORATING IMPACTON 6 PLIES ZONE (SCHEME B6)
575210Fig. 423Config 1
andConfig 2
(Refer to Repair575210-300-824-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR IMPACT HOLE ON7 PLIES ZONE (SCHEME B6)
575210Fig. 424Config 1
andConfig 2
(Refer to Repair575210-300-825-A01)
INBOARD FLAP STRUCTURE -TEMPORARY REPAIR FOR FLAKING,TRAVERSING IMPACT ON MONOLITHCONSTRUCTION (SCHEME B7X)
ATR42-400/500 - STRUCTURAL REPAIR MANUAL
INTRODUCTION Page 44
R Oct 01/14
BeforeConversion
After Conversion Title After Conversion
575210Fig. 425Config 1
andConfig 2
(Refer to Repair575210-300-826-A01)
INBOARD FLAP STRUCTURE -REPAIR FOR TRAVERSING IMPACT ONMONOLITH CONSTRUCTION (SCHEME B7)
575210Fig. 426Config 1
andConfig 2
(Refer to Repair575210-300-827-A01)
INBOARD FLAP STRUCTURE REPAIRFOR TRAVERSING IMPACT ONTRAILING EDGE (SCHEME B8)
575210Fig. 427Config 1
andConfig 2
(Refer to Repair575210-300-828-A01)
INBOARD FLAP STRUCTURE REPAIR FOR TRAVERSING IMPACT ONMONOLITH CONSTRUCTION (SCHEME B9)
575210Fi